Home / 51,179.64-76,754.88-32,431.38

Finding the Fourth Proportional to 51,179.64, 76,754.88 and 32,431.38

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Solution

The fourth proportional to 51,179.64, 76,754.88 and 32,431.38 is: 48,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,179.64 : 76,754.88 = 32,431.38 : x
  2. Step 2: Convert to fraction form
    51,179.64/76,754.88 = 32,431.38/x
  3. Step 3: Cross multiply
    51,179.64x = 76,754.88 × 32,431.38
  4. Step 4: Simplify right side
    51,179.64x = 2,489,266,680.13
  5. Step 5: Solve for x
    x = 2,489,266,680.13/51,179.64
  6. Step 6: Final answer
    x = 48,637.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.